According to a Pew Research poll, 45% of U.S. adults get at least some of their news from Facebook, with half of that amount using Facebook as their only news outlet.

Algorithms on social media pick what people read. There's worry that social media algorithms are creating filter bubbles, so that they never have to read something they don't agree with and thus cause tribal thinking and confirmation bias.

The Charles Koch Foundation is committed to understanding what drives intolerance and the best ways to cure it. The foundation supports interdisciplinary research to overcome intolerance, new models for peaceful interactions, and experiments that can heal fractured communities. For more information, visit charleskochfoundation.org/courageous-collaborations.

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The same way blockchain technology could end the blood diamond trade, it could also stop those profiting from the opioid crisis by removing the traditional opportunities for drug fraud, explains Hyperledger's Brian Behlendorf.

"I tend not to blame the drug taker because I think they're just medicating to meet their needs, it's really the distributors and those writing fake prescriptions and others who are enabling a lot of this crisis, and I think distributed ledger technology can help us understand where there might be abuses in that system."

Blockchain technology could also revolutionize health information systems — from harnessing the IoT to ensure patients take their medication at the right time and often enough (drug adherence is a big problem), to checking the credibility of doctors, and not having to cart around a small filing cabinet of your life's medical records every time you change doctors or providers.